Beginning The Exhaust Fan Installation

Congratulations to the Baltimore Ravens for their well deserved Super Bowl Championship. I cannot say the same for the team building our new transformer however, because their 15-day delivery has hit 21 days and counting. I am beginning to think the item does not exist at all.
Nevertheless we push forward with what seems to be the never ending project ( can you sense the sarcasm dripping from my tongue? ). Over the weekend my father and I got started on the exhaust fan vent for the CNC plasma table. The exhaust fan showed up last week, giving us plenty of time to get things started before the possibly fictitious transformer is delivered ;)

I am currently fabricating the square trunk duct for the outlet of the fan, which will 90 degree upwards toward our vent hood to the outdoors. This will be the easiest part to date for this entire project.